int year(int n){ ????????????int years; ????????????if(n==1) ????????????years = 10; ????????????else ????????????????years = year( n - 1 ) + 2; ????????????????????????printf("第%d個人年齡是%d歲\n",n,year);????????? ????????????????return years; } int main(){ ????????????????printf("第五個人年齡是%d歲",year(5));}